<!--hide
//Written by Manuel Villanueva
//updated 5/9/05 answer no longer "Math.round" actual division 660 / 1900 done instead of ".3474"

function O2(form) {
var answer = 660 / 1900 * form.psi.value / form.rate.value;
form.answer.value = Math.floor(answer);

//if statements--
if((form.psi.value==null)||(form.psi.value=="")||(isNaN(form.psi.value))){
alert('Please enter psi with numbers only.');
form.psi.focus();
form.psi.select();
return false
}
if((form.rate.value==null)||(form.rate.value=="")||(isNaN(form.rate.value))){
alert('Please enter rate with numbers only.');
form.rate.focus();
form.rate.select();
return false
}

//if statements--
if(form.psi.value>2000){
alert('Please enter number < 2000 psi.');
form.psi.focus();
form.psi.select();
return false
}
}
//unhide-->